A Kolinsky sable filbert for soft blending, rounded marks, and controlled transitions.
Series 66 is Rosemary’s Kolinsky sable filbert in long-handle format, which makes it a more expressive natural-hair brush than a standard round or flat. Filberts are valued because their rounded, slightly oval tip can both lay down paint and soften edges, making them ideal for blending and shaped strokes. In Kolinsky sable, that action becomes smoother and more responsive, with a better paint reserve than many synthetic filberts and a more refined release. Compared with a flat at the same price, it is less geometric and more forgiving; compared with a round, it gives broader contact and a softer edge. The long handle suggests use in painting disciplines where distance and arm movement matter, such as oils, acrylics, and some decorative work. [inferred]
What makes this brush special
A filbert feels rounded and adaptable. The brush opens slightly under pressure, then closes back to a neat edge, which makes it excellent for marks that need both coverage and softness. The Kolinsky hair should feel fluid rather than stiff, with enough belly to carry paint through a few smooth passes. The stroke tends to look softer than a flat and more controlled than a wash brush. [inferred]
Medium compatibility
Oil
Acrylic
Best with properly thinned acrylics, especially for detail and glazing.
Great for
Blending transitions on figures, miniatures, and small canvases.
Petals, organic shapes, and rounded edge work.
Controlled layering where a softer silhouette is useful.
Technique & use
General Painting
Glazing & Blending
Less ideal for
Crisp straight edges or ruler-straight blocks of colour.
Abrasive texture paint or drybrushing.
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Units/
Size
Handle
Tuft Length
Belly Diameter
Price
Stock
0
Short
6.6 mm
1.9 mm
$8.54
In Stock
2
Short
8.6 mm
3.4 mm
$9.89
In Stock
4
Short
10.7 mm
4.5 mm
$13.61
In Stock
6
Short
12.7 mm
5.7 mm
$17.09
In Stock
8
Short
14.5 mm
7.3 mm
$20.69
In Stock
0
Long
6.6 mm
1.9 mm
$8.88
In Stock
2
Long
8.6 mm
3.4 mm
$10.23
Sold Out
4
Long
10.7 mm
4.5 mm
$13.94
Sold Out
6
Long
12.7 mm
5.7 mm
$17.43
In Stock
8
Long
14.5 mm
7.3 mm
$21.03
In Stock
Brush sizes are not standardised across brands — a Size 1 from one maker may differ from another. These brushes are handcrafted, so individual dimensions may vary by 1–2 mm.
How we measure a brushA visual guide to the measurements shown in the size chart above.
These are the same measurements shown in the size chart above. Brush sizes are not standardised across brands, so use these dimensions when comparing brushes within a series or between manufacturers.
Tuft Length
The visible length of the brush hairs, measured from the ferrule to the tip.
Belly Diameter
The widest point of the brush head. On round brushes, this is the widest part of the belly.
Total Length
The full measurement from the tip of the brush to the end of the handle.
How to care for your brush
Clean with lukewarm water and a gentle soap immediately after use, especially if the brush has been used for oils or acrylics. Do not let paint dry into the rounded tip, as the filbert shape depends on a clean, even edge. Reshape after washing and store so the hair is not crushed sideways. With sable, careful cleaning is the difference between a brush that stays responsive and one that becomes floppy. [inferred]
5 stars: 1 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)
j
james nadir
Hairs are just the right length
Not too long and not too short - can easily place paint in the location I want and have a good stroke follow through. The size is just right for my needs. Rosemary Kolinski Sable brushes are not readily available in the states but was really relieved to find them at Hobby Heaven.
